terraform/terraform/transform_diff_test.go

73 lines
1.5 KiB
Go

package terraform
import (
"strings"
"testing"
"github.com/zclconf/go-cty/cty"
"github.com/hashicorp/terraform/addrs"
"github.com/hashicorp/terraform/plans"
)
func TestDiffTransformer_nilDiff(t *testing.T) {
g := Graph{Path: addrs.RootModuleInstance}
tf := &DiffTransformer{}
if err := tf.Transform(&g); err != nil {
t.Fatalf("err: %s", err)
}
if len(g.Vertices()) > 0 {
t.Fatal("graph should be empty")
}
}
func TestDiffTransformer(t *testing.T) {
g := Graph{Path: addrs.RootModuleInstance}
beforeVal, err := plans.NewDynamicValue(cty.StringVal(""), cty.String)
if err != nil {
t.Fatal(err)
}
afterVal, err := plans.NewDynamicValue(cty.StringVal(""), cty.String)
if err != nil {
t.Fatal(err)
}
tf := &DiffTransformer{
Changes: &plans.Changes{
Resources: []*plans.ResourceInstanceChangeSrc{
{
Addr: addrs.Resource{
Mode: addrs.ManagedResourceMode,
Type: "aws_instance",
Name: "foo",
}.Instance(addrs.NoKey).Absolute(addrs.RootModuleInstance),
ProviderAddr: addrs.AbsProviderConfig{
Provider: addrs.NewDefaultProvider("aws"),
Module: addrs.RootModule,
},
ChangeSrc: plans.ChangeSrc{
Action: plans.Update,
Before: beforeVal,
After: afterVal,
},
},
},
},
}
if err := tf.Transform(&g); err != nil {
t.Fatalf("err: %s", err)
}
actual := strings.TrimSpace(g.String())
expected := strings.TrimSpace(testTransformDiffBasicStr)
if actual != expected {
t.Fatalf("bad:\n\n%s", actual)
}
}
const testTransformDiffBasicStr = `
aws_instance.foo
`